Home / 54,881.10-82,309.32-32,700.78

Finding the Fourth Proportional to 54,881.10, 82,309.32 and 32,700.78

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Solution

The fourth proportional to 54,881.10, 82,309.32 and 32,700.78 is: 49,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.10 : 82,309.32 = 32,700.78 : x
  2. Step 2: Convert to fraction form
    54,881.10/82,309.32 = 32,700.78/x
  3. Step 3: Cross multiply
    54,881.10x = 82,309.32 × 32,700.78
  4. Step 4: Simplify right side
    54,881.10x = 2,691,578,965.27
  5. Step 5: Solve for x
    x = 2,691,578,965.27/54,881.10
  6. Step 6: Final answer
    x = 49,043.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.